The singer has battled with an eating disorder in the past, a period that led to time in rehab in 2014.

"I've had a lot of ups and downs. It's been quite a journey. I went to a dark place," she told Vogue last year.

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"There was a lot of not eating - and I started to think being hungry to the point of feeling almost faint was a positive thing."

Kesha is also currently embroiled in a high-profile sexual abuse lawsuit with producer Dr Luke. A New York court ruled against Kesha's case to be released from her Sony contract, despite the fact that she filed a rape case against her producer Dr Luke back in 2014.